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Use a variable within heredoc in PHP（1个答案）
2天前关闭。
我如何在这个Json数组中使用php字符串呢？我想根据php字符串替换名字“john”。但是无论我做什么，它都被当作平面文本处理。
我试探着“短信”：“'.$fullname.”"甚至还有“文本”：““
它被用于360 dialog Whatsapp API代码

$payload = <<<'PAYLOAD'
    {
        "to": "911212121212",
        "type": "template",
        "template": {
            "namespace": "56n9828435v89248-57498240734",
            "language": {
                "policy": "deterministic",
                "code": "en"
            },
            "name": "new_booking",
            "components": [{
                    "type": "body",
                    "parameters": [{
                            "type": "text",
                            "text": "john"
                        },
                        {
                            "type": "text",
                            "text": "Hair Cutting"
                        },
                        {
                            "type": "text",
                            "text": "17/11/2022"
                        },
                        {
                            "type": "text",
                            "text": "04:00 PM"
                        }
                        ,
                        {
                            "type": "text",
                            "text": "http://www.google.com"
                        }

                    ]
                }
            ]
        }
    }
PAYLOAD;

https://docs.360dialog.com/docs/whatsapp-api/whatsapp-api/sandbox#php